Cup holder



FIG. 1 is a top front side perspective view of a cup holder embodying the design;

FIG. 2 is a top plan view of the cup holder;

FIG. 3 is a side elevation view of the cup holder;

FIG. 4 is a bottom plan view of the cup holder;

FIG. 5 is a top plan view of the cup holder in a partially closed position; and,

FIG. 6 is a top plan view of the cup holder in a fully closed position.

Features shown with broken lines form no part of the design to be patented. 

I claim the ornamental design for a cup holder, as shown and described. 